Children (25 direct children, 154 direct and indirect children):
Arion
(tree size 61)
Arion (gastropod)
Geomalacus
(tree size 13)
Banana slug
(tree size 13)
Ariolimax
Prophysaon
(tree size 13)
Binneya
(tree size 2)
Hemphillia
(tree size 9)
Hesperarion
(tree size 4)
Letourneuxia
(tree size 2)
Ariunculus
(tree size 3)
Nipponolimax
(tree size 1)
Securicauda
(tree size 1)
Carinacauda
(tree size 1)
Udosarx
(tree size 3)
Anadenulus
(tree size 1)
Gliabates
(tree size 2)
Arioninae
Eugeomalacus
Ichnusarion
Lochea
Macroarion
Microarion
Nipponarion
Prolepis
Staala
Tetraspis